New Step by Step Map For ome88
Hydrant outlet and valve for the underground sort hydrant and valves to the stand submit type hydrant need to be located as in close proximity to the ground degree as possible. The best of the outlet or spindle of your valve need to be in a depth not exceeding 0.three m.請注意:務必確保已選取的區域來自正確的螢幕截圖(螢幕